Pseudofungi
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Pseudofungi
Cavalier- Smith, 1986[1]
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Heterokontimycotina |
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Pseudofungi is a heterokont grouping,[2][3] also known as the Heterokontimycotina.[4] It consists of the Oomycota and Hyphochytridiomycetes.[4] Although numerous biochemical, ultrastructural, and genetic traits clearly place them in the heterokonts, their growth form (featuring Hyphae) and mode of nutrition (osmotrophy) resembles the fungi (which are not closely related).[4]
Origen y ancestros
It is believed that pseudofungi descend from unicellular heterokont chromist algae which lost their plastids. If so there hasn´t been found evidence form these plastids, what has been proven is the existence of endosimbiotic red algae plastids.[5] Then an unicellular heterotroph proto-pseudofungi (probably a mushroom parasite) got its fungal genes through horizontal gene transfer, what would have led to the development of convergent fungal multicellularity.[6], which explains why sometimes the wall is made by both chitin and cellulose. The group interrelashionships are as follow:
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References
- ↑ Prog. Phycol. Res. 4: 341, 1986.
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- ↑ Thomas Richards & Nicholas Talbot 2007, Plant Parasitic Oomycetes Such as Phytophthora Species Contain Genes Derived from Three Eukaryotic Lineages Plant Signal Behav. 2(2): 112–114.
- ↑ Richards TA et al 2006 Sep Evolution of filamentous plant pathogens: gene exchange across eukaryotic kingdoms. Curr Biol. 19;16(18):1857-64.
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